Skip to main content

Encypher Mark - EU AI Act Article 50

Mark your AI content. Let anyone verify it, for free.

For AI product and engineering teams: paste AI-generated text and embed invisible, sentence-level C2PA provenance in one click. The marking survives copy and paste, and anyone can verify it for free. Article 50 marking applies from August 2, 2026.

Mark text nowStart free

$0

To start, no API key

1

Click to embed C2PA provenance

Aug 2, 2026

EU AI Act Article 50 applies

No setup, no API key, no sales call. Free to start.

Try it live

Mark it. Verify it. Done.

Mark your AI output below, then verify the result live. This is exactly what your account does.

More demos: try it yourself, no accountfor publishersper-sentence signing liveprivate team walkthroughAuthorized Supply (Ad Tech)

Interactive demoPaste AI output, mark it, verify it. No account, no API key.

Mark your AI output

Paste AI text, mark it, verify it live

Check your sources

Check any single source now

Paste a source your model consumed and detect whether it carries verifiable provenance. Single-source checks are live today; pipeline-scale ingestion auditing is a partner program. Talk to us.

Interactive demoPaste a source, check its provenance. No account, no API key.

1. Ingest a source

Paste or upload content your AI consumed

The verifiable chain

One chain, verifiable by anyone

  1. 1

    Mark

    Invisible, sentence-level C2PA provenance is embedded in your AI output at generation.

  2. 2

    Record

    Each marked asset gets a public verification link. Paid Mark adds per-content Article 50 evidence records.

  3. 3

    Verify

    Anyone can confirm it for free, anywhere, with no account and no API key.

Pricing

Start free. Upgrade when you scale.

Everything self-serve. No sales call until you want one.

Free

$0

  • 1,000 marked AI-output assets / month
  • 5 evidence records / month
  • Free public verification
Start free

Starter

$99/mo

  • Unlimited per-content Article 50 evidence records
  • Organization-wide Article 50 dossier
  • 10,000 marked assets / month
See plans

Why Mark

Why teams use Encypher Mark

Mark your outputs

Embed invisible, sentence-level C2PA provenance at generation. Disclosure that survives copy-paste, built for EU AI Act Article 50.

Independent verification

Anyone can verify for free, no SDK, no lock-in. The result is third-party proof, and it never rests on our own word.

Check your sources

Paste any single training, RAG, or fine-tuning source and detect whether it carries verifiable provenance. Pipeline-scale ingestion auditing runs as a partner program.

Mark your first AI content in 60 seconds

Free to start. No setup, no API key. Built for EU AI Act Article 50.

Start free

Compare tiers on the pricing page. Large content operation or enterprise procurement? .